In early 2018, the Green Lake County-based bank will become Fortifi Bank.

In August, the bank began the process of switching from a national charter to a state charter, regulated by the Wisconsin Department of Financial Institutions in Madison instead of an arm of the U.S. Treasury Department.

The bank has been 1st National Bank for more than 140 years.

"Making the decision to change our name was difficult," said Eric Cerbins, president and CEO of 1st National Bank. "However, in the end, the benefits far outweighed any negatives."

Changing charters is a lengthy process, and the bank expects to finish in the first quarter of 2018. The bank has been researching a new name since June and recently announced its decision to shareholders.

“Fortify means to strengthen or enrich — exactly what we do for our clients every day," said Wendy Seaman, executive vice president and chief operating officer. "We focus on their needs and offer solutions and trusted guidance for a brighter financial future. It is a perfect fit.”

The name change won't mean much for the the bulk of the bank's business, though customers will see signage and logos change in late February. Account numbers, debit cards and checks will work the same way.